999718424 has 16 divisors (see below), whose sum is σ = 1876959600. Its totient is φ = 499195872.

The previous prime is 999718409. The next prime is 999718463. The reversal of 999718424 is 424817999.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76484 + ... + 88595.

It is an arithmetic number, because the mean of its divisors is an integer number (117309975).

Almost surely, 2^999718424 is an apocalyptic number.

It is an amenable number.

999718424 is a deficient number, since it is larger than the sum of its proper divisors (877241176).

999718424 is a wasteful number, since it uses less digits than its factorization.

999718424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165842 (or 165838 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The square root of 999718424 is about 31618.3241807658. The cubic root of 999718424 is about 999.9061325225.

The spelling of 999718424 in words is "nine hundred ninety-nine million, seven hundred eighteen thousand, four hundred twenty-four".